Welcome to the new Tradimo learning platform. If you come from the previous version of Tradimo, you need to register again. Apologies for the inconvenience

Welcome to Tradimo! Here is our special offer for new users: Buy your first course now and get 10% off! 


下方提供了 2 道选择题来检测您对本课程的理解情况。 请注意︰对于每道题,确保勾选您认为正确的所有答案。可能有多项正确答案。